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Finding the Fourth Proportional to 246,080,643.60, 369,120,965.40 and 246,080,643.60

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Solution

The fourth proportional to 246,080,643.60, 369,120,965.40 and 246,080,643.60 is: 369,120,965.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,080,643.60 : 369,120,965.40 = 246,080,643.60 : x
  2. Step 2: Convert to fraction form
    246,080,643.60/369,120,965.40 = 246,080,643.60/x
  3. Step 3: Cross multiply
    246,080,643.60x = 369,120,965.40 × 246,080,643.60
  4. Step 4: Simplify right side
    246,080,643.60x = 90,833,524,731,885,328
  5. Step 5: Solve for x
    x = 90,833,524,731,885,328/246,080,643.60
  6. Step 6: Final answer
    x = 369,120,965.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.